15 weeks pregnant abdomen a burst of pins and needles like pain may be physiological reasons, gastroenteritis, preeclampsia and so on, can be treated through general treatment, medication and other methods of treatment. 1. Physiological reasons: 15 weeks pregnant belongs to the middle of pregnancy, some pregnant women may be more pronounced due to pseudo-contractions, in the contraction period, will feel a burst of pain in the abdomen like pins and needles, which belongs to the normal physiological phenomenon, generally do not need special treatment, can be relieved after bed rest. 2. Gastroenteritis: If the 15 weeks pregnant women do not eat properly, eat some unhygienic or greasy, raw and cold food, it will easily lead to gastroenteritis, a burst of pain in the abdomen like pins and needles, accompanied by vomiting, diarrhea and other discomforts. Follow the doctor’s advice can be through the bifidobacteria triple live bacterial tablets, montelukast and other drugs for treatment. 3. Pre-eclampsia: When a 15-week pregnant woman experiences a pinching pain in her abdomen, it may be caused by pre-eclampsia, accompanied by a small amount of vaginal bleeding. If the ultrasound examination is normal pregnancy, under the guidance of the doctor can be progesterone capsules, dydrogesterone tablets and other medications to protect the fetus treatment, can relieve the symptoms, or even disappear. When a pregnant woman in the 15th week of pregnancy experiences a pins and needles pain in her abdomen, she should go to the hospital immediately to complete the relevant examinations, and the doctor will give appropriate treatment according to the results.